... Hole diameter:1mm~6mm Open areas:0.3%~63% Decorative metal perforated sheets 1.Materail:stainless steel board, aluminum board, cold ... and artistic4.Shape:long square hole, square hole, round hole,triangle hole, hexagonal hole, the plum blossom hole, ichthyosisthe hole,scale ... .080.8331219.61.721.6221219.63.2434161219.64.23 decorative metal perforated sheets